/**
 * UGENE - Integrated Bioinformatics Tools.
 * Copyright (C) 2008-2020 UniPro <ugene@unipro.ru>
 * http://ugene.net
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 * MA 02110-1301, USA.
 */

#ifndef _U2_SIMPLE_TEXT_VIEW_H_
#define _U2_SIMPLE_TEXT_VIEW_H_

#include <QPlainTextEdit>

#include <U2Core/TextSelection.h>
#include <U2Core/global.h>

#include <U2Gui/ObjectViewModel.h>

namespace U2 {

class OpenSimpleTextObjectViewTask;

class U2VIEW_EXPORT SimpleTextObjectViewFactory : public GObjectViewFactory {
    Q_OBJECT
public:
    SimpleTextObjectViewFactory(QObject *p = NULL);

    static const GObjectViewFactoryId ID;

    virtual bool canCreateView(const MultiGSelection &multiSelection);

    virtual bool isStateInSelection(const MultiGSelection &multiSelection, const QVariantMap &stateData);

    virtual Task *createViewTask(const MultiGSelection &multiSelection, bool single = false);

    virtual Task *createViewTask(const QString &viewName, const QVariantMap &state);

    virtual bool supportsSavedStates() const {
        return true;
    }
};

class U2VIEW_EXPORT SimpleTextObjectView : public GObjectView {
    Q_OBJECT

    friend class SimpleTextObjectViewFactory;

public:
    SimpleTextObjectView(const QString &name, TextObject *to, const QVariantMap &state);

    virtual QVariantMap saveState();

    virtual Task *updateViewTask(const QString &stateName, const QVariantMap &stateData);

    virtual bool checkAddToView(const MultiGSelection &multiSelection);

    virtual Task *addToViewTask(const MultiGSelection &multiSelection);

    virtual const TextSelection &getSelectedText() {
        return selection;
    }

    virtual QWidget *createWidget();

    void updateView(const QVariantMap &stateData);

    // saved state accessors -> todo: extract into separate model class
    static QString getDocumentUrl(const QVariantMap &savedState);
    static QString getObjectName(const QVariantMap &savedState);

    static void setDocumentUrl(QVariantMap &savedState, const QString &url);

protected:
    bool eventFilter(QObject *obj, QEvent *event);

private slots:
    void sl_onTextEditTextChanged();
    void sl_onTextObjStateLockChanged();

private:
    TextObject *textObject;
    QVariantMap openState;
    TextSelection selection;
    QPlainTextEdit *textEdit;
    bool firstShow;
};

}    // namespace U2

#endif
